Aquarium



FIG. 1 is an isometric view of an aquarium incorporating my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear elevation view thereof;

FIG. 8 is an isometric view of an aquarium incorporating my new design and showing an alternate embodiment;

FIG. 9 is top plan view thereof;

FIG. 10 is a front elevation view thereof;

FIG. 11 is a left side elevation view thereof;

FIG. 12 is a right side elevation view thereof;

FIG. 13 is a bottom plan view thereof; and,

FIG. 14 is a rear elevation view thereof.

The broken lines are for illustration only and form no part of the claimed design. 

The ornamental design for an aquarium, as shown. 